Daniel Stoyak

Projects

here's an assortment of projects i've done over the years

LanguageLens

Circa GPT-5

built an iPhone app for learning languages through OCR'd subtitles of instagram reels and youtube videos with baked subtitles
press any word to get its definition
integrated video processing, OCR, translation, saved vocabulary, and learning progress sync
currently using this

Mesh networked drones

Circa GPT-4.5

cheap mesh networked drones for spatial data collection
systems design, code, and pcb fabrication

Mesh video streaming

Circa GPT o3

built tree topology mesh video streaming for ESP32s
achieves up to 40 fps with 5 video streams through one parent node

Llama 2 architecture rewrite in rust

Circa GPT-4o

a simple port of Andrej Karpathys llama2.c into rust
familiarized myself with llama 2 architecture

Style transfer llm finetune

Circa GPT-4

scraped, cataloged, reverse-prompted and ranked tweets from a list of twitter accounts
finetuned the mistral 7b instruct model to tweet in certain users styles when given their username and topic of tweet
support for quote tweets, threads, links and images

YakTrack

Circa GPT-4

web app for real-time location tracking of my phone via push notifications and ios shortcuts
burning a location token sends a notification to my phone, triggering an iOS shortcut to post my location to the app
implemented user authentication and stripe in-app purchasing of location tokens

What's the effect of a spinoff on the stocks price?

Circa GPT-4

aggregated and parsed data from multiple sources using web-scraping and sql database queries
data was used to select factors and build a model to determine how spinning out a company would affect the stocks price
statistically significant at predicting magnitude and direction of move

How much extra rent are you paying if your rental has a sauna?

Circa GPT-4

scraped, parsed and analyzed over 8000 rental postings to determine the rent premium associated with having a sauna
rent premium was determined to be $200 after standardizing all factors

Using clustering methods for portfolio construction

Circa GPT-3.5

used various statistical clustering methods to build portfolios resistant to black-swan events
excess returns ranged from 1.6% to 17.2%

Using ml for temperature prediction

Circa GPT-3

predicted temperature in one part of my house based on temperature/humidity readings in a different part of the house

Work

Field Operations Engineer – Advanced Technologies Group

KoBold Metals

August 2024 – Nov 2025

Mine Operations Engineer – Engineer in training

Heidelberg Materials

September 2023 – August 2024

Geology Field Assistant – Summer Intern

Great Bear Resources

Summer 2021

Manufacturing Engineer – Full time intern

Mercedes-Benz Research & Development

April 2018 – June 2019

Daniel Stoyak

Skills

General

Programming

Languages

Projects

LanguageLens

Mesh networked drones

Mesh video streaming

Llama 2 architecture rewrite in rust

Style transfer llm finetune

YakTrack

What's the effect of a spinoff on the stocks price?

How much extra rent are you paying if your rental has a sauna?

Using clustering methods for portfolio construction

Using ml for temperature prediction

Work

Field Operations Engineer – Advanced Technologies Group

Mine Operations Engineer – Engineer in training

Geology Field Assistant – Summer Intern

Manufacturing Engineer – Full time intern

Education

Engineering with Commerce Minor

Computational and Mathematical Sciences